{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["nationality", "children", "person of company", "profession"], "input": "B1 Extortion Arrest for Ono Driver A chauffeur for Yoko Ono has been arrested and charged with trying to extort $ 2 million from her by threatening to circulate private audiotapes and photographs of her and threatening to kill her and her son , Sean Lennon , if she did not cooperate , the police said ."}
{"nationality": [], "children": [{"subject": "Yoko Ono", "object": "Sean Lennon"}], "person of company": [], "profession": []}